Serials — a series by Reavan

Sex as a condition of employment

A young woman eager to become a model signs up with an agency where she is trained for modeling mostly without her clothes on.

A lesbian haresses a younger office employee who then tries to turn the tables on her.

An orphaned teen from Chicago is taken in by his great aunt in the deep South.

Athena is a planet inhabited by women only. The main character is from another planet who rescues young females being exposed and left to die in a wasteland for having sexual urges (fingered their own hymens) the rescuer bring them back to his own planet where he trains and sells them as sex slaves.

A midget from an isolated village, where she'd suffered relentless teasing, is hired as a servant. She is coerced into lesbian sex by a loving black maid and her cane wielding midget madam (good cop bad cop scenario). Eventually her nympho nature, combined with her desperate realization of never finding a husband, leads with some deception down a different path.